Factors to consider when selecting a vapor retarder include material type, geographic location, and placement within the structure. A vapor retarder, more commonly known as a vapor barrier, can be useful in construction when it is necessary to separate an area of high temperature and humidity from an area of lower temperature and humidity. However,
Railroads have played a major role in the history and development of our country and are frequently determined to be significant by State Historic Preservation Offices. On the surface, it may seem that converting an abandoned rail bed into a trail would be a rather straight forward, relatively simple process. However, there are a multitude
With larger buildings come deeper and larger foundations. Drilled caissons or “piers” are one of the most commonly used foundation types for the most heavily loaded buildings as well as most bridges and overpasses. In order to be confident that each pier will support a building as designed, in-depth inspections must be performed. These inspections
